Prohibition of Left Turns, Right Turns Still Allowed for U-Turn

How many of you are confident that you can remember and understand all types of traffic signs? Saying this does not mean that nobody can, but surely a large number of people, including myself, when participating in traffic "do not bother to look" at the signs. Or if they do, they "mistake a chicken for a duck" by confusing "No Left Turn" with "No U-Turn."

According to Vietnam Standard 41:2012/BGTVT, sign P.123a "No Left Turn" and sign P.123b "No Right Turn":

- Are placed at intersections to indicate that left or right turns (as indicated by the arrow) are prohibited. However, since November 1, 2016, these signs are not valid for prohibiting U-turns—this is a new and quite detailed provision stated in Vietnam Standard 41:2016/BGTVT issued together with Circular 06/2016/TT-BGTVT. Thus, we can agree that: When encountering the signs "NO LEFT TURN" or "NO RIGHT TURN"****, U-TURNS are still allowed.- The sign is effective in prohibiting all types of vehicles (both motorized and non-motorized) from turning left or right except for vehicles that are given priority according to regulations.- Before installing a no-turn sign, it is necessary to place a sign indicating the appropriate direction.

For no U-turn signs, they include: Sign P.124 (a, b) "No U-Turn", sign P.124c "No Left Turn and No U-Turn", sign P.124d "No Right Turn and No U-Turn", sign P.124e "No Left Turn for Cars and No U-Turn", and sign P.124f "No Right Turn for Cars and No U-Turn".


- When encountering sign P.124a "No U-Turn," all types of vehicles (both motorized and non-motorized) are not allowed to make a U-turn. The direction of the arrow corresponds to the prohibited U-turn direction.- When encountering sign P.124b, cars and three-wheeled motorcycles are not allowed to make a U-turn. The direction of the arrow corresponds to the prohibited U-turn direction for cars. This sign does not prohibit left turns to other directions.- When encountering sign P.124c, vehicles are not allowed to turn left and are also prohibited from making a U-turn.- When encountering sign P.124d, vehicles are not allowed to turn right and are also prohibited from making a U-turn.- When encountering sign P.124e, cars are not allowed to turn left and are also prohibited from making a U-turn.- When encountering sign P.124f, cars are not allowed to turn right and are also prohibited from making a U-turn.

Thus, traffic signs do not always simultaneously prohibit vehicles from turning left, right, and making a U-turn at the same time. For signs P.123a and P.124b, they do not prohibit U-turns.

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